Medical Definition base noun ˈbās plural bases ˈbā-səz 1 : that portion of a bodily organ or part by which it is attached to another more central structure of the organism the base of the thumb

Bases are generally compounds that can neutralize an amount of acid. Both sodium carbonate and ammonia are bases, although neither of these substances contains OH−

Bases are the plural noun referring to several foundations, substances, or central points, while basis is a singular noun meaning the main supporting principle for something.

Definition of bases in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

She made sure that she touched all the bases in her report. His opening remarks at the meeting touched all the bases.

A team of commandoes got the hostages out from the rebel base. They radioed their base for help. The aircraft base is protected with specially designed shelters which are built to …